#!/usr/bin/env python

# Copyright 2012 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Custom http client - currently uses the httplib."""

import httplib
import logging
import urllib

__author__ = 'Maciej Machulak'
__maintainer__ = 'Maciej Machulak'
__email__ = 'mmachulak@google.com'

__copyright__ = 'Copyright 2012, Google Inc.'
__license__ = 'Apache License 2.0'
__version__ = '0.2'
__status__ = 'Prototype'


class Header(object):
  authorization = 'Authorization'
  www_authenticate = 'WWW-Authenticate'
  pragma = 'Pragma'
  content_type = 'Content-Type'
  set_cookie = 'Set-Cookie'
  bearer = 'Bearer'
  location = 'Location'

  def __init__(self):
    pass


class ContentType(object):
  json = 'application/json'
  json_utf8 = 'application/json; charset=utf-8'
  urlencoded = 'application/x-www-form-urlencoded'
  image_png = 'image/png'

  def __init__(self):
    pass


def request(method, url, path, headers=None, params=None):
  if not headers:
    headers = {}
  if not params:
    params = {}
  logging.debug('executing method \`%s\` to `\%s%s`\'', method, url, path)
  conn = httplib.HTTPConnection(url)
  conn.request(method, path, urllib.urlencode(params), headers)
  response = conn.getresponse()
  logging.debug('response status code: %s', response.status)
  return response


def get_request(url, path, headers=None, params=None):
  if not headers:
    headers = {}
  if not params:
    params = {}
  return request('get', url, path, headers, params)


def post_request(url, path, headers=None, params=None):
  if not headers:
    headers = {}
  if not params:
    params = {}
  return request('post', url, path, headers, params)


def delete_request(url, path, headers=None):
  if not headers:
    headers = {}
  return request('delete', url, path, headers, {})
